Block copolymer containing tetrahydrofuran block
Номер патента: CA1248660A
Опубликовано: 10-01-1989
Автор(ы): Chihiro Imai, Satoshi Ueki, Tokuo Makishima (Deceased)
Принадлежит: Toa Nenryo Kogyyo KK
Опубликовано: 10-01-1989
Автор(ы): Chihiro Imai, Satoshi Ueki, Tokuo Makishima (Deceased)
Принадлежит: Toa Nenryo Kogyyo KK
Реферат: Abstract of the Disclusre A block copolymer is disclosed which includes an ethylene-propylene copolymer segment (A) and a tetrahydrofuran segment (B). The weight ratio of (A) to (B) is 5/95 to 95/5, and the block copolymer has a number-average molecular weight of about 1,000 to about 1,000,000.
Method for producing block copolymer comprising cyclic ester and epoxy monomers arranged in controllable sequence
Номер патента: US20230212351A1. Автор: Guangzhao Zhang,Shan Liu,Junpeng ZHAO. Владелец: South China University of Technology SCUT. Дата публикации: 2023-07-06.